Issued Patents 1982
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4349484 | Process for the manufacture of mixtures of diphenylmethane diisocyanates and polyphenyl polymethylene polyisocyanates | Franz Merger, Gerhard Nestler, Wolfgang Harder | 1982-09-14 |
| 4330479 | Thermal decomposition of aryl urethanes | Franz Merger | 1982-05-18 |
| 4322365 | Preparation of isocyanates | Franz Merger | 1982-03-30 |
| 4319035 | Process for recycling noble metal catalysts used for the manufacture of aromatic urethanes | Franz Merger | 1982-03-09 |